package com.etc.delivery.utils;

import java.io.IOException;
import java.io.InputStream;
import java.text.DecimalFormat;
import java.util.ArrayList;
import java.util.List;


import com.etc.delivery.entity.Waybill;
import org.apache.poi.hssf.usermodel.HSSFCell;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.ss.usermodel.Cell;
import org.apache.poi.ss.usermodel.Row;
import org.apache.poi.ss.usermodel.Sheet;
import org.apache.poi.ss.usermodel.Workbook;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
import org.springframework.stereotype.Component;
import org.springframework.web.multipart.MultipartFile;

import javax.xml.registry.infomodel.User;


@Component
public class ReadExcel {

    //总行数
    private int totalRows = 0;
    //总条数
    private int totalCells = 0;
    //错误信息接收器
    private String errorMsg;

    //构造方法
    public ReadExcel() {
    }

    //获取总行数
    public int getTotalRows() {
        return totalRows;
    }

    //获取总列数
    public int getTotalCells() {
        return totalCells;
    }

    //获取错误信息
    public String getErrorInfo() {
        return errorMsg;
    }

    /**
     * 读EXCEL文件，获取信息集合
     *
     * @param mFile
     * @return
     */
    public List<Waybill> getExcelInfo(MultipartFile mFile) {
        String fileName = mFile.getOriginalFilename();//获取文件名
        System.out.println("文件名" + fileName);
        List<Waybill> waybillList = null;
        try {
            if (!validateExcel(fileName)) {// 验证文件名是否合格
                return null;
            }
            boolean isExcel2003 = true;// 根据文件名判断文件是2003版本还是2007版本
            if (isExcel2007(fileName)) {
                isExcel2003 = false;
            }
            waybillList = createExcel(mFile.getInputStream(), isExcel2003);
        } catch (Exception e) {
            e.printStackTrace();
        }
        return waybillList;
    }

    /**
     * 根据excel里面的内容读取客户信息
     *
     * @param is          输入流
     * @param isExcel2003 excel是2003还是2007版本
     * @return
     * @throws IOException
     */
    public List<Waybill> createExcel(InputStream is, boolean isExcel2003) {
        List<Waybill> waybillList = null;
        try {
            Workbook wb = null;
            if (isExcel2003) {// 当excel是2003时,创建excel2003
                wb = new HSSFWorkbook(is);
            } else {// 当excel是2007时,创建excel2007
                wb = new XSSFWorkbook(is);
            }
            waybillList = readExcelValue(wb);// 读取Excel里面客户的信息
        } catch (IOException e) {
            e.printStackTrace();
        }
        return waybillList;
    }

    /**
     * 读取Excel里面客户的信息
     *
     * @param wb
     * @return
     */
    private List<Waybill> readExcelValue(Workbook wb) {
        // 得到第一个shell
        Sheet sheet = wb.getSheetAt(0);
        System.out.println("gaolei dayin============" + sheet);
        // 得到Excel的行数
        this.totalRows = sheet.getPhysicalNumberOfRows();
        System.out.println("行数=======" + this.totalRows);
        // 得到Excel的列数(前提是有行数)
        if (totalRows > 1 && sheet.getRow(0) != null) {
            this.totalCells = sheet.getRow(0).getPhysicalNumberOfCells();
            System.out.println("总列数==========" + this.totalCells);
        }
        List<Waybill> waybillList = new ArrayList<Waybill>();
        // 循环Excel行数
        for (int r = 1; r < totalRows; r++) {
            Row row = sheet.getRow(r);
            if (row == null) {
                continue;
            }
            Waybill waybill = new Waybill();
            // 循环Excel的列
            for (int c = 0; c < this.totalCells; c++) {
                Cell cell = row.getCell(c);
                if (null != cell) {

                    if (c == 0) {
                        //如果是纯数字,比如你写的是25,cell.getNumericCellValue()获得是25.0,通过截取字符串去掉.0获得25
                        if (cell.getCellType() == HSSFCell.CELL_TYPE_NUMERIC) {
                            try {
                                //String studentNumber = String.valueOf(cell.getNumericCellValue());
                                //String x =studentNumber.substring(0, studentNumber.length()-2>0?studentNumber.length()-2:1);//年龄
                                waybill.setMailType(Integer.valueOf((int) cell.getNumericCellValue()));
                            } catch (NumberFormatException e) {
                                // TODO Auto-generated catch block
                                e.printStackTrace();
                                System.out.println("if false");
                            }
                        } else {
                            try {
                                waybill.setMailType(Integer.valueOf(cell.getStringCellValue()));
                            } catch (Exception e) {
                                // TODO Auto-generated catch block
                                e.printStackTrace();
                                System.out.println("类型不匹配");
                            }
                        }
                    } /*else if (c == 1) {
                        if(cell.getCellType() == HSSFCell.CELL_TYPE_NUMERIC){
                            String appUserId = String.valueOf(cell.getNumericCellValue());
                            String x = appUserId.substring(0, appUserId.length()-2>0?appUserId.length()-2:1);//性别
                            student.setUserid(Integer.valueOf(x));
                        }
                    }*/ else if (c == 1) {
                        if (cell.getCellType() == HSSFCell.CELL_TYPE_NUMERIC) {
                            String firstName = String.valueOf(Integer.valueOf((int) cell.getNumericCellValue()));
                            waybill.setSenderName(firstName);
                        } else {
                            waybill.setSenderName(cell.getStringCellValue());
                        }
                    } else if (c == 2) {
                        if (cell.getCellType() == HSSFCell.CELL_TYPE_NUMERIC) {  // 123.0
                            DecimalFormat df = new DecimalFormat("0");
                            String value = df.format(cell.getNumericCellValue());
                            waybill.setSenderPhone(value);
                        } else {
                            waybill.setSenderPhone(cell.getStringCellValue());
                        }
                    } else if (c == 3) {
                        if (cell.getCellType() == HSSFCell.CELL_TYPE_NUMERIC) {
                            String lastName = String.valueOf(cell.getNumericCellValue());
                            waybill.setSenderAddress(lastName);
                        } else {
                            waybill.setSenderAddress(cell.getStringCellValue());
                        }
                    } else if (c == 4) {
                        if (cell.getCellType() == HSSFCell.CELL_TYPE_NUMERIC) {
                            String email = String.valueOf(cell.getNumericCellValue());
                            waybill.setRecipientName(email);
                        } else {
                            waybill.setRecipientName(cell.getStringCellValue());
                        }
                    } else if (c == 5) {
                        if (cell.getCellType() == HSSFCell.CELL_TYPE_NUMERIC) {
                            DecimalFormat df = new DecimalFormat("0");
                            String value = df.format(cell.getNumericCellValue());
                            waybill.setRecipientPhone(value);
                        } else {
                            waybill.setRecipientPhone(cell.getStringCellValue());
                        }
                    } else if (c == 6) {
                        if (cell.getCellType() == HSSFCell.CELL_TYPE_NUMERIC) {
                            String lastName = String.valueOf(cell.getNumericCellValue());
                            waybill.setRecipientAddress(lastName);
                        } else {
                            waybill.setRecipientAddress(cell.getStringCellValue());
                        }
                    } else if (c == 7) {
                        if (cell.getCellType() == HSSFCell.CELL_TYPE_NUMERIC) {
                            String lastName = String.valueOf(cell.getNumericCellValue());
                            int i = lastName.indexOf('.');
                            waybill.setMailCost(lastName.substring(0, i));
                        } else {
                            waybill.setMailCost(cell.getStringCellValue());
                        }
                    } else if (c == 8) {
                        if (cell.getCellType() == HSSFCell.CELL_TYPE_NUMERIC) {
                            try {
                                //String studentNumber = String.valueOf(cell.getNumericCellValue());
                                //String x =studentNumber.substring(0, studentNumber.length()-2>0?studentNumber.length()-2:1);//年龄
                                waybill.setStatus(Integer.valueOf((int) cell.getNumericCellValue()));
                            } catch (NumberFormatException e) {
                                // TODO Auto-generated catch block
                                e.printStackTrace();
                                System.out.println("if false");
                            }
                        } else {
                            try {
                                waybill.setStatus(Integer.valueOf(cell.getStringCellValue()));
                            } catch (Exception e) {
                                // TODO Auto-generated catch block
                                e.printStackTrace();
                                System.out.println("类型不匹配");
                            }
                        }
                    } else if (c == 9) {
                        if (cell.getCellType() == HSSFCell.CELL_TYPE_NUMERIC) {
                            try {
                                //String studentNumber = String.valueOf(cell.getNumericCellValue());
                                //String x =studentNumber.substring(0, studentNumber.length()-2>0?studentNumber.length()-2:1);//年龄
                                waybill.setWarehouseId(Integer.valueOf((int) cell.getNumericCellValue()));
                            } catch (NumberFormatException e) {
                                // TODO Auto-generated catch block
                                e.printStackTrace();
                                System.out.println("if false");
                            }
                        } else {
                            try {
                                waybill.setWarehouseId(Integer.valueOf(cell.getStringCellValue()));
                            } catch (Exception e) {
                                // TODO Auto-generated catch block
                                e.printStackTrace();
                                System.out.println("类型不匹配");
                            }
                        }
                    }
                }
            }
            // 添加到list
            waybillList.add(waybill);
        }
        return waybillList;
    }

    /**
     * 验证EXCEL文件
     *
     * @param filePath
     * @return
     */
    public boolean validateExcel(String filePath) {
        if (filePath == null || !(isExcel2003(filePath) || isExcel2007(filePath))) {
            errorMsg = "文件名不是excel格式";
            return false;
        }
        return true;
    }

    // @描述：是否是2003的excel，返回true是2003
    public static boolean isExcel2003(String filePath) {
        return filePath.matches("^.+\\.(?i)(xls)$");
    }

    //@描述：是否是2007的excel，返回true是2007
    public static boolean isExcel2007(String filePath) {
        return filePath.matches("^.+\\.(?i)(xlsx)$");
    }
}
